Duracell Company's standard and actual costs per unit are provided below for the most recent period. During this period, 500 units were actually produced. Product Standard Cost Product Actual Cost Metres Unit Price Per Metre $2.20 $2.10 7.8 7.6 $17.16 $15.96 Hours Hourly Rate 7 $105.00 Materials Standard Actual Direct labour Standard Actual Variable overhead Standard Actual Total unit cost $15.00 $16.00 7.2 $115.20 Hours Hourly Rate 3 $9.00 $3.00 $3.10 3.2 $9.92 $141.08 $131.16 Required: Given the information above, compute the following variances. Also indicate if the variances are favorable or unfavorable. 1. Materials price variance 2. Materials quantity variance 3. Direct labour rate variance 4. Direct labour efficiency variance 5. Variable overhead rate variance 6. Variable overhead efficiency variance 7. Please give some managerial suggestions based on your calculation